Head Unit - new audio

Head Unit - new audio - I decided to go ahead and put...

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I decided to go ahead and put together some information for everyone on integrating an aftermarket head unit using the Metra harness. This is using a 1995 S6 Avant with Gamma head unit as an example. I've found alot of FUD regarding integration with the stock Bose components, so I figured it was time to layout the facts. What you need: 1. Metra 70-1785 harness (for easy connection to Audi harnesses) 2. Head unit with 4x >2.2v preamp outputs (for the Bose amp connections) 3. 2x ground loop isolators (prevents popping on track change) 4. High quality crimp tool (for wiring the Metra to your HU harness) 5. 5x Insulated crimp caps 14-18gauge (for the wiring connections) 6. Audi radio removal tools for your car (to get your radio out) Head unit suggestions: 1. 4x preamp outputs of 4v 2. ability to turnoff internal amp 3. time-delay configuration for each channel Some key points to note. You will need to wire your power antenna/remote amp trigger connection to turn on/off the Bose amps with the head unit. The GLI's (ground loop isolators)
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Head Unit - new audio - I decided to go ahead and put...

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